John Opie oral history interview as conducted by Lisa Mighetto. Note that Mr. Opie is not an employee with the Fish and Wildlife Service, but is one of the founders of the American Society of Environmental History (ASEH).
Petroglyph Lake lies in the middle of Ian Mountain National Antelope Refuge in southeastern Oregon. The lake is on the backslope of Poker Jim Ridge. a fault block formation rising abruptly from the well-watered Wamer Valley.